"The proper navy blue blazer can be single or double-breasted and looks best in a three-button style. The proper blazer requires side-vents. Italian versions can have no vent at all, but I find this a bit fast."
Vent
"The proper navy blue blazer can be single or double-breasted and looks best in a three-button style. The proper blazer requires side-vents. Italian versions can have no vent at all, but I find this a bit fast."